<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="vue.js"></script>
    <title>使用@keyframes创建css动画</title>
</head>
<body>
    <div id="app">
        <button @click="show=!show">使用@keyframes创建css动画</button>
        <transition name="bounce">
            <div class="circular" v-if="show">圆形</div>
        </transition>
    </div>
    <script>
        var vm=new Vue({
            el:'#app',
            data:{show:true}
        })
    </script>
    <style>
        div.circular{
            width: 100px;
            height: 100px;
            background: red;
            border-radius: 50%;
            margin-top: 20px;
            text-align: center;
            line-height: 100px;
            color: seagreen;
        }
        .bounce-enter-active{
            animation: Ami .5s;
        }
        .bounce-leave-active{
            animation: Ami .5s;
        }
    @keyframes Ami{
        0% {transform:scale(0);background:red;}
        20% {transform:scale(1);background:burlywood;}
        50% {transform:scale(1.5);background:blueviolet;}
        100% {transform:scale(1);background:burlywood;}
    }
    </style>
</body>
</html>